Portion of a speaker



FIG. 1 is a right perspective view of a portion of a speaker showing ournew design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left perspective view thereof; and,

FIG. 4 is a perspective view thereof viewed from the bottom.

The broken line showing of the remainder of the speaker cabinet andcircular elements is for illustrative purposes only and form no part ofthe claimed design.

The ornamental design for a portion of a speaker, as shown anddescribed.